Tectonic Therapeutic grants options to director

Tectonic Therapeutic, Inc. reported that director Jessica Caroline Chutter received a grant of stock options covering 20,400 shares of common stock.

Rhea-AI Filing Summary

Tectonic Therapeutic, Inc. reported that director Jessica Caroline Chutter received a grant of stock options covering 20,400 shares of common stock. The options have an exercise price of $29.10 per share and expire on June 7, 2036.

According to the vesting terms, one-third of the option shares will vest on June 8, 2027, with the remaining shares vesting in 24 equal monthly installments after that date, subject to Ms. Chutter’s continued service with the company. Following this grant, she holds 20,400 stock options directly.

Insider Trade Summary

Grant/Award: 20,400 shares

Grant/Award 1 txn

Insider Chutter Jessica Caroline

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (Right to Buy)	20,400	$0.00	$0.00

Holdings After Transaction: Stock Option (Right to Buy) — 20,400 contracts (Direct)

Footnotes (1)

1. F1. One-third (1/3) of the shares subject to the option shall vest on June 8, 2027, and the balance shall vest in 24 equal monthly installments thereafter, subject in each case to the Reporting Person providing continuous service to the Issuer on each such date.

Key Figures

Options granted: 20,400 options Exercise price: $29.10 per share Expiration date: June 7, 2036 +4 more

7 metrics

Options granted 20,400 options Stock Option (Right to Buy) granted to director

Exercise price $29.10 per share Price to purchase common stock via options

Expiration date June 7, 2036 Option term end date

Underlying shares 20,400 shares Common stock underlying the options

Holdings after grant 20,400 options Total derivative holdings following transaction

Initial vesting date June 8, 2027 One-third of option shares vest

Remaining vesting schedule 24 monthly installments After June 8, 2027, subject to continuous service

Key Terms

Stock Option (Right to Buy), exercise price, expiration date, vesting, +1 more

5 terms

Stock Option (Right to Buy) financial

"security_title: "Stock Option (Right to Buy)""

exercise price financial

"conversion_or_exercise_price: "29.1000""

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

expiration date financial

"expiration_date: "2036-06-07T00:00:00.000Z""

The expiration date is the deadline after which a financial contract, such as an option or a futures agreement, is no longer valid or can be exercised. It matters to investors because it determines the timeframe during which they can take action or benefit from the contract, similar to how a coupon or a food item has a limited period of usefulness. Once the expiration date passes, the contract loses its value or ability to be used.

vesting financial

"shares subject to the option shall vest on June 8, 2027"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

continuous service financial

"subject in each case to the Reporting Person providing continuous service"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did TECX director Jessica Chutter report?

Director Jessica Caroline Chutter reported receiving a grant of stock options for 20,400 shares of Tectonic Therapeutic common stock. These are compensation-related options, not an open-market purchase or sale of existing shares.

What is the exercise price of the new TECX stock options?

The granted stock options have an exercise price of $29.10 per share. This is the price Ms. Chutter would pay to acquire Tectonic Therapeutic common shares if she exercises the options in the future.

When do Jessica Chutter’s TECX options start vesting?

One-third of the stock options will vest on June 8, 2027. The remaining two-thirds will then vest in 24 equal monthly installments, contingent on Ms. Chutter continuing to provide service to Tectonic Therapeutic.

How many TECX options does Jessica Chutter hold after this grant?

After this reported grant, Jessica Caroline Chutter holds 20,400 stock options directly. These options each relate to one share of Tectonic Therapeutic common stock, subject to the vesting schedule and the stated expiration date.

When do the newly granted TECX stock options expire?

The stock options granted to Jessica Chutter expire on June 7, 2036. If unexercised by that date, the options will lapse, and she would no longer have the right to buy Tectonic Therapeutic shares under this grant.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/10/2026 - 04:36 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Chutter Jessica Caroline

(Last) (First) (Middle)

C/O TECTONIC THERAPEUTIC, INC.

490 ARSENAL WAY, SUITE 200

(Street)

WATERTOWN MASSACHUSETTS 02472

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Tectonic Therapeutic, Inc. [ TECX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/08/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	$29.1	06/08/2026		A		20,400		(1)	06/07/2036	Common Stock	20,400	$0	20,400	D

Explanation of Responses:

1. One-third (1/3) of the shares subject to the option shall vest on June 8, 2027, and the balance shall vest in 24 equal monthly installments thereafter, subject in each case to the Reporting Person providing continuous service to the Issuer on each such date.

	/s/ Daniel Lochner, Attorney-in-Fact	06/10/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)